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Shkiper50 [21]
3 years ago
12

8 times the quantity d minus 3

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
8 0

Answer:

8d-3

Step-by-step explanation:

We have been given a sentence: 8 times the quantity d minus 3. We are supposed to write an algebraic expression for our given sentence.

We have been given that the quantity is d, so 8 times the quantity would be 8\cdot d=8d.

We are also asked to subtract 3 from the product of given quantity and 8, so our expression would be: 8d-3.

Therefore, our required expression would be 8d-3.

notsponge [240]3 years ago
7 0
8(d-3)
Whatever is written after the word 'quantity' means the following were in parenthesis.
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There are 12 red marbles and 8 green marbles in a bag. What is the probability of selecting a red
madam [21]

Answer:

The probability of selecting a red  marble, not replacing it, and then selecting a green marble from the bag is 24/95

Step-by-step explanation:

Number of red marbles = 12

Number of green marbles = 8

Total number of marbles = 12+8 = 20

Probability of selecting red marble =\frac{12}{20}

Since it is the case of no replacement

Remaining marbles = 20-1 = 19

Number of red marbles = 12-1=11

Number of green marbles = 8

Probability of selecting green marble =\frac{8}{19}

So, the probability of selecting a red  marble, not replacing it, and then selecting a green marble from the bag =\frac{12}{20} \times \frac{8}{19}=\frac{24}{95}

Hence the probability of selecting a red  marble, not replacing it, and then selecting a green marble from the bag is 24/95

3 0
4 years ago
Matthew is 3 times as old as jenny. in 7 years, he will be twice as old as she will be then. how old is each now? Explain how to
Nataliya [291]

Let m and j be the current ages of Matthew and Jenny, respectively.

Now, Matthew is 3 times as old as Jenny, so the variables are in the following relation:

m=3j

In 7 years, both of them will be 7 years older, i.e. their ages will be m+7 and j+7, and Matthew will be twice as old:

m+7=2(j+7)

Now, remembering that m=3j, we can rewrite the second equation as

3j+7=2j+14 \iff j = 7

So, Jenny is 7 and Matthew is 21 (he's 3 times older).

In fact, in 7 years, they will be 14 and 28, and Matthew will be twice as old.

7 0
3 years ago
4.A large bowl of Halloween candy is going to
swat32

Answer:

8 bags can be created if each bag must contain equal and similar candies

Step-by-step explanation:

Please see the attached for more information

7 0
4 years ago
A board game for $29.95 at 8% sales tax
son4ous [18]

$27.55

29.95 x 8% (aka .08) = 2.396

29.95- 2.396 = 27.55

3 0
4 years ago
Read 2 more answers
The ANSWER is what I need to know.
tensa zangetsu [6.8K]
They both represent the expression, because when simplified the expression equals 8x+4, but you could also write it like 2(3x+2)+2x
8 0
3 years ago
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